See?

The eye has been called “the window to the soul” by people who have no idea how it works.

There were once a variety of theories on how we see:

Extramission: The theory that eyes emit a light, like the fire of the sun, onto objects they see, and then the image object is reflected back onto the water of eye.

Intromission: The theory that everything projects a smaller version of itself, with a smaller number of atoms, in all directions.  The eye catches this smaller image.

Intermission: The break in a long film, when your eyes get watery from looking at the screen in the dark for so long.

But now what causes vision more clearly, even if we don’t see objects in front of us as clearly as we used to. Continue reading “See?”

How healthy are you?

Here’s a quick test.

Time yourself doing 100 chin-ups.  Now, run three miles, preferably up a steep hill like Baintha Brakk.  After that, see how far you can swim against the current in half an hour (but don’t dive down straight from the hill, that would be dangerous.  Hopefully there’s a pool on top of the hill.)

Okay, when you’re breathing deeply from all that exercise, take your pulse. Continue reading “How healthy are you?”

Do med schools reject great doctors?

You may have seen Hisashi T Fujinaka’s list of rejections and read his pessimistic conclusion:

“Just because they’ve always told you that hard work will get you your heart’s desires doesn’t mean it’s true. There’s a lot of luck involved in life and I’m kind of tapped out right now.” Continue reading “Do med schools reject great doctors?”

Does soya milk give you moobs?

According to Singapore Newspaper today online, more men are seeking “breast reduction” than ever before.  Up to one third of men worldwide could develop unwanted fatty tissue in the upper torso, a condition commonly known as moobs.

So, why do so many men have moobs?  According to Dr Huang, “psuedo-oestrogens” in the environment mimic female hormones.  These lead to development of physical traits that we associate with women. Continue reading “Does soya milk give you moobs?”